[GIT PULL] firmware: arm_ffa: Initial support for v5.14

[Olof Johansson]

Hi,

On Mon, Jun 14, 2021 at 06:08:56PM +0100, Sudeep Holla wrote:
> Hi Olof,
> 
> On Tue, Jun 01, 2021 at 10:58:38AM +0100, Sudeep Holla wrote:
> > Hi ARM SoC Team,
> > 
> > Please pull !
> > 
> > This is a new driver pull request. One of the arm64 patch is being
> > pulled from a stable arm64 branch for-next/ffa as the other patches
> > are dependent of the same.
> > 
> > Background
> > ----------
> > This has been on the list for almost a year now with changing requirements.
> > Initially Arm KVM wanted to use this via userspace interface in VMM to
> > communicate with VMs. But it was later dropped in favour of arch-agnostic
> > interface[1].
> > 
> > Also there was some discussion on the dt-bindings which was dropped
> > completely. Though we need to workaround the lack of full discoveribility
> > in v1.0 spec, it is now being fixed for the next version of the spec.
> > 
> 
> I see that you have pulled quite a lot of drivers and other SoC code
> including my scmi and juno ones that were sent more recently than this
> one. Just thought of checking if this is still in queue ? Sorry for the
> nag but this has been on a list almost a year. We missed v5.13 due to
> DT binding controveries(for good reasons) and we really don't want to
> miss v5.14

I held off because I wanted to spend a few cycles on looking into it before
blindly merging it.

Are there any implemented users of this (on either side) today? We normally
don't merge a framework in the kernel without having at least one user of it
also available.


-Olof